问题：
[单选] For a floating vessel，the center of flotation is the point in the waterplane（）.
about which the vessel lists and trims。which coincides with the center of buoyancy。which，in the absence of external forces，is always vertically aligned with the center of gravity。which is shown in the hydrostatic tables as VCB。
问题：
[单选] For a floating vessel，the result of subtracting KG from KM is the（）.
height of the metacenter。height of the righting arm。height of the center of buoyancy。metacentric height。
问题：
[单选] From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.
Stability curve。Deadweight scale。Table of Azimuth。Freeboard assignment。
问题：
[单选] If the vertical center of gravity (VCG) of a ship rises 1.7 feet，the righting arm (GZ) for the various angles of inclination will（）.
decrease。increase。remain unchanged。be changed by the amount of GG' x cosine of the angle。
问题：
[单选] Load line regulations are designed to insure that a vessel has adequate structural strength and sufficient（）.
lifesaving equipment。stability。mooring tension。riser tensio。
问题：
[单选] The amount of freeboard which a ship possesses has a tremendous effect on its（）.
initial stability。free surface。stability at large angles of inclination。permeability。
问题：
[单选] The magnitude of a moment is the product of the force and（）.
time。lever arm。displacement。angle of inclinatio。
问题：
[单选] The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.
metacentric point。metacenter。metacentric radius。tipping center。
问题：
[单选] The primary purpose of a load line is to establish required（）.
minimum freeboard。GM。transverse stability。fresh water allowance。
问题：
[单选] The ship has（）of more than 10 meters at full load.
an engine。an overall length。a displacement。a draft。
